./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:41:55,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:41:55,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-28 20:41:55,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:41:55,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:41:55,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:41:55,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:41:55,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:41:55,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:41:55,899 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:41:55,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:41:55,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:41:55,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:41:55,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:41:55,901 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:41:55,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:41:55,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:41:55,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:41:55,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:41:55,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:41:55,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:41:55,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:41:55,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:41:55,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:41:55,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 20:41:55,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:41:55,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:41:55,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:41:55,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:41:55,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:41:55,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:41:55,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:41:55,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:41:55,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:41:55,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:41:55,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:41:55,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:41:55,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:41:55,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:41:55,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:41:55,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:41:55,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:41:55,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:41:55,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:41:55,913 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_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 [2023-11-28 20:41:56,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:41:56,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:41:56,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:41:56,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:41:56,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:41:56,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2023-11-28 20:41:58,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:41:59,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:41:59,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2023-11-28 20:41:59,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/data/10b355a03/88fabb44752140eeb234af6e95629b7c/FLAGd13054f6d [2023-11-28 20:41:59,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/data/10b355a03/88fabb44752140eeb234af6e95629b7c [2023-11-28 20:41:59,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:41:59,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:41:59,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:41:59,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:41:59,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:41:59,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75debe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59, skipping insertion in model container [2023-11-28 20:41:59,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:41:59,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:41:59,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:41:59,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:41:59,344 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:41:59,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59 WrapperNode [2023-11-28 20:41:59,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:41:59,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:41:59,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:41:59,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:41:59,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,394 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-28 20:41:59,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:41:59,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:41:59,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:41:59,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:41:59,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,425 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 20:41:59,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:41:59,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:41:59,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:41:59,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:41:59,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (1/1) ... [2023-11-28 20:41:59,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:41:59,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:41:59,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:41:59,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:41:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:41:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:41:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:41:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:41:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-28 20:41:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-28 20:41:59,577 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:41:59,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:42:00,254 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:42:00,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:42:00,285 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:42:00,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:42:00 BoogieIcfgContainer [2023-11-28 20:42:00,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:42:00,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:42:00,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:42:00,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:42:00,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:41:59" (1/3) ... [2023-11-28 20:42:00,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2076c377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:42:00, skipping insertion in model container [2023-11-28 20:42:00,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:41:59" (2/3) ... [2023-11-28 20:42:00,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2076c377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:42:00, skipping insertion in model container [2023-11-28 20:42:00,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:42:00" (3/3) ... [2023-11-28 20:42:00,295 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound1.c [2023-11-28 20:42:00,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:42:00,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2023-11-28 20:42:00,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:42:00,368 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f81d8d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:42:00,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2023-11-28 20:42:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:42:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-28 20:42:00,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:00,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-28 20:42:00,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:00,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:00,383 INFO L85 PathProgramCache]: Analyzing trace with hash 368288, now seen corresponding path program 1 times [2023-11-28 20:42:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361254003] [2023-11-28 20:42:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:42:00,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:00,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361254003] [2023-11-28 20:42:00,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361254003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:00,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:00,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:00,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372641729] [2023-11-28 20:42:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:00,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:00,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:00,623 INFO L87 Difference]: Start difference. First operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-28 20:42:00,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:00,724 INFO L93 Difference]: Finished difference Result 598 states and 646 transitions. [2023-11-28 20:42:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:00,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-28 20:42:00,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:00,738 INFO L225 Difference]: With dead ends: 598 [2023-11-28 20:42:00,739 INFO L226 Difference]: Without dead ends: 295 [2023-11-28 20:42:00,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:00,747 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:00,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 895 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:42:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-28 20:42:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-11-28 20:42:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2023-11-28 20:42:00,807 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2023-11-28 20:42:00,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:00,807 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2023-11-28 20:42:00,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-28 20:42:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2023-11-28 20:42:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-28 20:42:00,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:00,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-28 20:42:00,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:42:00,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:00,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1913193205, now seen corresponding path program 1 times [2023-11-28 20:42:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476183225] [2023-11-28 20:42:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:42:00,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:00,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476183225] [2023-11-28 20:42:00,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476183225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:00,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:00,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 20:42:00,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874724569] [2023-11-28 20:42:00,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:00,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:00,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:00,863 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-28 20:42:01,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:01,002 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2023-11-28 20:42:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:01,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-28 20:42:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:01,007 INFO L225 Difference]: With dead ends: 563 [2023-11-28 20:42:01,007 INFO L226 Difference]: Without dead ends: 543 [2023-11-28 20:42:01,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:01,010 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 237 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:01,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 637 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:42:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-28 20:42:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2023-11-28 20:42:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-28 20:42:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2023-11-28 20:42:01,041 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2023-11-28 20:42:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:01,041 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2023-11-28 20:42:01,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-28 20:42:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2023-11-28 20:42:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-28 20:42:01,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:01,043 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] [2023-11-28 20:42:01,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:42:01,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:01,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1848326555, now seen corresponding path program 1 times [2023-11-28 20:42:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:01,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589697623] [2023-11-28 20:42:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:01,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:01,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960263556] [2023-11-28 20:42:01,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:01,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:01,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:42:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:01,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:01,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589697623] [2023-11-28 20:42:01,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960263556] [2023-11-28 20:42:01,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960263556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:01,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529595892] [2023-11-28 20:42:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:01,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:01,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:01,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:01,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:01,315 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-28 20:42:02,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:02,355 INFO L93 Difference]: Finished difference Result 551 states and 571 transitions. [2023-11-28 20:42:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:02,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 39 [2023-11-28 20:42:02,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:02,360 INFO L225 Difference]: With dead ends: 551 [2023-11-28 20:42:02,361 INFO L226 Difference]: Without dead ends: 521 [2023-11-28 20:42:02,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:02,363 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 197 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:02,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 325 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-28 20:42:02,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-11-28 20:42:02,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 436. [2023-11-28 20:42:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.7375886524822695) internal successors, (490), 414 states have internal predecessors, (490), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 530 transitions. [2023-11-28 20:42:02,387 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 530 transitions. Word has length 39 [2023-11-28 20:42:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:02,388 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 530 transitions. [2023-11-28 20:42:02,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-28 20:42:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 530 transitions. [2023-11-28 20:42:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-28 20:42:02,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:02,390 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] [2023-11-28 20:42:02,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:02,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:02,593 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:02,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1463548268, now seen corresponding path program 1 times [2023-11-28 20:42:02,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:02,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096985938] [2023-11-28 20:42:02,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:02,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:02,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:02,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687446563] [2023-11-28 20:42:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:02,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:02,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:42:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:02,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:02,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:02,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:02,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:02,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096985938] [2023-11-28 20:42:02,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:02,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687446563] [2023-11-28 20:42:02,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687446563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:02,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:02,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:02,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079362274] [2023-11-28 20:42:02,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:02,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:02,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:02,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:02,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:02,791 INFO L87 Difference]: Start difference. First operand 436 states and 530 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-28 20:42:03,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:03,391 INFO L93 Difference]: Finished difference Result 521 states and 541 transitions. [2023-11-28 20:42:03,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:03,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2023-11-28 20:42:03,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:03,395 INFO L225 Difference]: With dead ends: 521 [2023-11-28 20:42:03,395 INFO L226 Difference]: Without dead ends: 512 [2023-11-28 20:42:03,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:03,396 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 187 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:03,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 317 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:42:03,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-11-28 20:42:03,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 438. [2023-11-28 20:42:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 416 states have internal predecessors, (485), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 525 transitions. [2023-11-28 20:42:03,415 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 525 transitions. Word has length 40 [2023-11-28 20:42:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:03,416 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 525 transitions. [2023-11-28 20:42:03,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-28 20:42:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 525 transitions. [2023-11-28 20:42:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-28 20:42:03,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:03,418 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] [2023-11-28 20:42:03,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:03,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:03,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:03,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:03,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1874644039, now seen corresponding path program 1 times [2023-11-28 20:42:03,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:03,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15042153] [2023-11-28 20:42:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:03,635 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:03,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145976762] [2023-11-28 20:42:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:03,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:03,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:03,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:03,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:42:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:03,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:42:03,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:03,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:03,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:03,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15042153] [2023-11-28 20:42:03,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:03,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145976762] [2023-11-28 20:42:03,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145976762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:03,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:03,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:03,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681155818] [2023-11-28 20:42:03,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:03,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:03,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:03,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:03,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:03,731 INFO L87 Difference]: Start difference. First operand 438 states and 525 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-28 20:42:04,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:04,453 INFO L93 Difference]: Finished difference Result 507 states and 532 transitions. [2023-11-28 20:42:04,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:04,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 41 [2023-11-28 20:42:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:04,457 INFO L225 Difference]: With dead ends: 507 [2023-11-28 20:42:04,457 INFO L226 Difference]: Without dead ends: 502 [2023-11-28 20:42:04,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:04,458 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 176 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:04,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 513 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-28 20:42:04,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-28 20:42:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 438. [2023-11-28 20:42:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6901408450704225) internal successors, (480), 416 states have internal predecessors, (480), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 520 transitions. [2023-11-28 20:42:04,476 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 520 transitions. Word has length 41 [2023-11-28 20:42:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:04,476 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 520 transitions. [2023-11-28 20:42:04,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-28 20:42:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 520 transitions. [2023-11-28 20:42:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-28 20:42:04,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:04,478 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] [2023-11-28 20:42:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:42:04,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:04,684 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:04,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2015576842, now seen corresponding path program 1 times [2023-11-28 20:42:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940635944] [2023-11-28 20:42:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:04,697 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:04,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002384603] [2023-11-28 20:42:04,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:04,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:04,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 20:42:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:04,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:42:04,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:04,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:04,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940635944] [2023-11-28 20:42:04,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002384603] [2023-11-28 20:42:04,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002384603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:04,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:04,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307095470] [2023-11-28 20:42:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:04,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:04,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:04,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:04,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:04,799 INFO L87 Difference]: Start difference. First operand 438 states and 520 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, (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) [2023-11-28 20:42:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:05,359 INFO L93 Difference]: Finished difference Result 507 states and 527 transitions. [2023-11-28 20:42:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:05,360 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, (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 42 [2023-11-28 20:42:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:05,363 INFO L225 Difference]: With dead ends: 507 [2023-11-28 20:42:05,363 INFO L226 Difference]: Without dead ends: 502 [2023-11-28 20:42:05,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:05,365 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 173 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:05,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 508 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:42:05,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-28 20:42:05,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 438. [2023-11-28 20:42:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6725352112676057) internal successors, (475), 416 states have internal predecessors, (475), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 515 transitions. [2023-11-28 20:42:05,379 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 515 transitions. Word has length 42 [2023-11-28 20:42:05,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:05,379 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 515 transitions. [2023-11-28 20:42:05,380 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, (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) [2023-11-28 20:42:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 515 transitions. [2023-11-28 20:42:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-28 20:42:05,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:05,381 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] [2023-11-28 20:42:05,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 20:42:05,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:05,585 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:05,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1941627433, now seen corresponding path program 1 times [2023-11-28 20:42:05,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:05,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729434208] [2023-11-28 20:42:05,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:05,596 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:05,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289659537] [2023-11-28 20:42:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:05,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:05,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:05,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 20:42:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:05,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:05,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:05,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:05,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:05,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729434208] [2023-11-28 20:42:05,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:05,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289659537] [2023-11-28 20:42:05,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289659537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:05,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:05,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:05,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976593306] [2023-11-28 20:42:05,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:05,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:05,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:05,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:05,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:05,712 INFO L87 Difference]: Start difference. First operand 438 states and 515 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-28 20:42:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:06,542 INFO L93 Difference]: Finished difference Result 502 states and 522 transitions. [2023-11-28 20:42:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2023-11-28 20:42:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:06,545 INFO L225 Difference]: With dead ends: 502 [2023-11-28 20:42:06,546 INFO L226 Difference]: Without dead ends: 500 [2023-11-28 20:42:06,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:06,547 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 362 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:06,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 444 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-28 20:42:06,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-11-28 20:42:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 438. [2023-11-28 20:42:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6654929577464788) internal successors, (473), 416 states have internal predecessors, (473), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 513 transitions. [2023-11-28 20:42:06,566 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 513 transitions. Word has length 43 [2023-11-28 20:42:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:06,566 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 513 transitions. [2023-11-28 20:42:06,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-28 20:42:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 513 transitions. [2023-11-28 20:42:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-28 20:42:06,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:06,567 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] [2023-11-28 20:42:06,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:06,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:06,773 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:06,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash 60908376, now seen corresponding path program 1 times [2023-11-28 20:42:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783904999] [2023-11-28 20:42:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:06,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:06,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156407687] [2023-11-28 20:42:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:06,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:06,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:06,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:06,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 20:42:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:06,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:06,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:06,904 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:06,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:06,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783904999] [2023-11-28 20:42:06,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:06,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156407687] [2023-11-28 20:42:06,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156407687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:06,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:06,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:06,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917650449] [2023-11-28 20:42:06,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:06,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:06,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:06,906 INFO L87 Difference]: Start difference. First operand 438 states and 513 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-28 20:42:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:09,036 INFO L93 Difference]: Finished difference Result 500 states and 520 transitions. [2023-11-28 20:42:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 44 [2023-11-28 20:42:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:09,040 INFO L225 Difference]: With dead ends: 500 [2023-11-28 20:42:09,040 INFO L226 Difference]: Without dead ends: 498 [2023-11-28 20:42:09,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:09,041 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 190 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:09,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 494 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-28 20:42:09,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2023-11-28 20:42:09,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 438. [2023-11-28 20:42:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.658450704225352) internal successors, (471), 416 states have internal predecessors, (471), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 511 transitions. [2023-11-28 20:42:09,059 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 511 transitions. Word has length 44 [2023-11-28 20:42:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:09,059 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 511 transitions. [2023-11-28 20:42:09,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-28 20:42:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 511 transitions. [2023-11-28 20:42:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-28 20:42:09,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:09,061 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] [2023-11-28 20:42:09,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 20:42:09,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:09,267 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:09,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash 2045328877, now seen corresponding path program 1 times [2023-11-28 20:42:09,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:09,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734290608] [2023-11-28 20:42:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:09,280 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:09,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461845324] [2023-11-28 20:42:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:09,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:09,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:09,282 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:09,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 20:42:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:09,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:09,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:09,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:09,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:09,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734290608] [2023-11-28 20:42:09,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:09,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461845324] [2023-11-28 20:42:09,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461845324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:09,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:09,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832888992] [2023-11-28 20:42:09,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:09,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:09,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:09,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:09,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:09,511 INFO L87 Difference]: Start difference. First operand 438 states and 511 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (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) [2023-11-28 20:42:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:10,060 INFO L93 Difference]: Finished difference Result 498 states and 518 transitions. [2023-11-28 20:42:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (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 47 [2023-11-28 20:42:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:10,064 INFO L225 Difference]: With dead ends: 498 [2023-11-28 20:42:10,064 INFO L226 Difference]: Without dead ends: 484 [2023-11-28 20:42:10,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:10,065 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 150 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:10,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 305 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:42:10,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-11-28 20:42:10,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 441. [2023-11-28 20:42:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.613240418118467) internal successors, (463), 419 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 503 transitions. [2023-11-28 20:42:10,079 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 503 transitions. Word has length 47 [2023-11-28 20:42:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:10,079 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 503 transitions. [2023-11-28 20:42:10,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (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) [2023-11-28 20:42:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 503 transitions. [2023-11-28 20:42:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-28 20:42:10,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:10,081 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] [2023-11-28 20:42:10,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-28 20:42:10,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:10,281 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:10,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1019314148, now seen corresponding path program 1 times [2023-11-28 20:42:10,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:10,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028127183] [2023-11-28 20:42:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:10,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:10,292 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:10,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448147093] [2023-11-28 20:42:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:10,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:10,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:10,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 20:42:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:10,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:10,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:10,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:10,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:10,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028127183] [2023-11-28 20:42:10,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:10,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448147093] [2023-11-28 20:42:10,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448147093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:10,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:10,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:10,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801653365] [2023-11-28 20:42:10,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:10,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:10,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:10,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:10,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:10,913 INFO L87 Difference]: Start difference. First operand 441 states and 503 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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) [2023-11-28 20:42:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:12,438 INFO L93 Difference]: Finished difference Result 484 states and 504 transitions. [2023-11-28 20:42:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:12,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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 [2023-11-28 20:42:12,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:12,441 INFO L225 Difference]: With dead ends: 484 [2023-11-28 20:42:12,441 INFO L226 Difference]: Without dead ends: 481 [2023-11-28 20:42:12,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:12,442 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 170 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:12,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 465 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-28 20:42:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-28 20:42:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 441. [2023-11-28 20:42:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.602787456445993) internal successors, (460), 419 states have internal predecessors, (460), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-28 20:42:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 500 transitions. [2023-11-28 20:42:12,461 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 500 transitions. Word has length 48 [2023-11-28 20:42:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:12,461 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 500 transitions. [2023-11-28 20:42:12,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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) [2023-11-28 20:42:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 500 transitions. [2023-11-28 20:42:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-28 20:42:12,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:12,462 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] [2023-11-28 20:42:12,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:12,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-28 20:42:12,665 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:12,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash 29056224, now seen corresponding path program 1 times [2023-11-28 20:42:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:12,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812520374] [2023-11-28 20:42:12,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:12,675 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:12,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989027301] [2023-11-28 20:42:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:12,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:12,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:12,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:12,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-28 20:42:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:12,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:12,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-28 20:42:12,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:12,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812520374] [2023-11-28 20:42:12,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989027301] [2023-11-28 20:42:12,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989027301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:12,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:12,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40661502] [2023-11-28 20:42:12,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:12,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:12,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:12,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:12,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:12,967 INFO L87 Difference]: Start difference. First operand 441 states and 500 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-28 20:42:14,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-28 20:42:14,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:14,746 INFO L93 Difference]: Finished difference Result 481 states and 501 transitions. [2023-11-28 20:42:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 52 [2023-11-28 20:42:14,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:14,749 INFO L225 Difference]: With dead ends: 481 [2023-11-28 20:42:14,749 INFO L226 Difference]: Without dead ends: 460 [2023-11-28 20:42:14,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:14,750 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 301 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:14,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 353 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-28 20:42:14,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2023-11-28 20:42:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 425. [2023-11-28 20:42:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 272 states have (on average 1.6213235294117647) internal successors, (441), 404 states have internal predecessors, (441), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 20:42:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 479 transitions. [2023-11-28 20:42:14,761 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 479 transitions. Word has length 52 [2023-11-28 20:42:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:14,762 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 479 transitions. [2023-11-28 20:42:14,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-11-28 20:42:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 479 transitions. [2023-11-28 20:42:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-28 20:42:14,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:14,763 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:14,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:14,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:14,964 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:14,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:14,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1808674979, now seen corresponding path program 1 times [2023-11-28 20:42:14,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:14,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647100504] [2023-11-28 20:42:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:14,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:14,973 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399858804] [2023-11-28 20:42:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:14,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:14,975 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-28 20:42:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:15,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:15,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-28 20:42:15,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:15,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647100504] [2023-11-28 20:42:15,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399858804] [2023-11-28 20:42:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399858804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:15,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:15,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:15,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046946527] [2023-11-28 20:42:15,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:15,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:15,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:15,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:15,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:15,099 INFO L87 Difference]: Start difference. First operand 425 states and 479 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-28 20:42:15,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:15,697 INFO L93 Difference]: Finished difference Result 464 states and 483 transitions. [2023-11-28 20:42:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:15,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 [2023-11-28 20:42:15,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:15,701 INFO L225 Difference]: With dead ends: 464 [2023-11-28 20:42:15,701 INFO L226 Difference]: Without dead ends: 458 [2023-11-28 20:42:15,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:15,702 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 118 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:15,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 399 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:42:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2023-11-28 20:42:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 427. [2023-11-28 20:42:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 274 states have (on average 1.602189781021898) internal successors, (439), 406 states have internal predecessors, (439), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 20:42:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 477 transitions. [2023-11-28 20:42:15,717 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 477 transitions. Word has length 61 [2023-11-28 20:42:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:15,718 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 477 transitions. [2023-11-28 20:42:15,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-28 20:42:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 477 transitions. [2023-11-28 20:42:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-28 20:42:15,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:15,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:15,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-28 20:42:15,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:15,925 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:15,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2114658273, now seen corresponding path program 1 times [2023-11-28 20:42:15,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919550204] [2023-11-28 20:42:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:15,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:15,936 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:15,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252098708] [2023-11-28 20:42:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:15,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:15,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:15,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-28 20:42:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:15,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:15,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-28 20:42:16,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:16,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:16,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919550204] [2023-11-28 20:42:16,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:16,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252098708] [2023-11-28 20:42:16,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252098708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:16,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:16,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:16,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662861913] [2023-11-28 20:42:16,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:16,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:16,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:16,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:16,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:16,063 INFO L87 Difference]: Start difference. First operand 427 states and 477 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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) [2023-11-28 20:42:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:16,559 INFO L93 Difference]: Finished difference Result 458 states and 477 transitions. [2023-11-28 20:42:16,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:16,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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 65 [2023-11-28 20:42:16,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:16,562 INFO L225 Difference]: With dead ends: 458 [2023-11-28 20:42:16,562 INFO L226 Difference]: Without dead ends: 456 [2023-11-28 20:42:16,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:16,563 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 149 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:16,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 525 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:42:16,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-11-28 20:42:16,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 427. [2023-11-28 20:42:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 274 states have (on average 1.594890510948905) internal successors, (437), 406 states have internal predecessors, (437), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 20:42:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 475 transitions. [2023-11-28 20:42:16,574 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 475 transitions. Word has length 65 [2023-11-28 20:42:16,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:16,574 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 475 transitions. [2023-11-28 20:42:16,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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) [2023-11-28 20:42:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 475 transitions. [2023-11-28 20:42:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-28 20:42:16,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:16,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:16,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-28 20:42:16,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-28 20:42:16,776 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:16,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1107578981, now seen corresponding path program 1 times [2023-11-28 20:42:16,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:16,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501485970] [2023-11-28 20:42:16,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:16,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:16,785 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:16,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813142234] [2023-11-28 20:42:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:16,786 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:16,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-28 20:42:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:16,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:16,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-28 20:42:17,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:17,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501485970] [2023-11-28 20:42:17,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813142234] [2023-11-28 20:42:17,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813142234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:17,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:17,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:17,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991860527] [2023-11-28 20:42:17,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:17,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:17,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:17,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:17,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:17,010 INFO L87 Difference]: Start difference. First operand 427 states and 475 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2023-11-28 20:42:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-28 20:42:21,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-28 20:42:22,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:22,890 INFO L93 Difference]: Finished difference Result 540 states and 597 transitions. [2023-11-28 20:42:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:22,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 69 [2023-11-28 20:42:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:22,892 INFO L225 Difference]: With dead ends: 540 [2023-11-28 20:42:22,892 INFO L226 Difference]: Without dead ends: 497 [2023-11-28 20:42:22,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:22,894 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 410 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:22,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 234 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-28 20:42:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2023-11-28 20:42:22,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 447. [2023-11-28 20:42:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 318 states have (on average 1.5660377358490567) internal successors, (498), 423 states have internal predecessors, (498), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:42:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 542 transitions. [2023-11-28 20:42:22,908 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 542 transitions. Word has length 69 [2023-11-28 20:42:22,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:22,908 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 542 transitions. [2023-11-28 20:42:22,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2023-11-28 20:42:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 542 transitions. [2023-11-28 20:42:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-28 20:42:22,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:22,909 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:22,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-28 20:42:23,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:23,110 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:23,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:23,110 INFO L85 PathProgramCache]: Analyzing trace with hash -760428695, now seen corresponding path program 1 times [2023-11-28 20:42:23,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:23,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804911963] [2023-11-28 20:42:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:23,120 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:23,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566455235] [2023-11-28 20:42:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:23,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:23,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:23,122 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:23,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-28 20:42:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:23,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:42:23,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:23,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:23,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:23,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804911963] [2023-11-28 20:42:23,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:23,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566455235] [2023-11-28 20:42:23,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566455235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:23,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:23,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:23,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375733728] [2023-11-28 20:42:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:23,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:23,280 INFO L87 Difference]: Start difference. First operand 447 states and 542 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:23,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:23,671 INFO L93 Difference]: Finished difference Result 447 states and 542 transitions. [2023-11-28 20:42:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:23,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2023-11-28 20:42:23,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:23,674 INFO L225 Difference]: With dead ends: 447 [2023-11-28 20:42:23,674 INFO L226 Difference]: Without dead ends: 445 [2023-11-28 20:42:23,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:23,675 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 193 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:23,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 244 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:42:23,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-11-28 20:42:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2023-11-28 20:42:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 318 states have (on average 1.5471698113207548) internal successors, (492), 421 states have internal predecessors, (492), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:42:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 536 transitions. [2023-11-28 20:42:23,688 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 536 transitions. Word has length 87 [2023-11-28 20:42:23,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:23,688 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 536 transitions. [2023-11-28 20:42:23,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 536 transitions. [2023-11-28 20:42:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-28 20:42:23,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:23,689 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:23,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-28 20:42:23,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:23,890 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:23,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:23,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2098452885, now seen corresponding path program 1 times [2023-11-28 20:42:23,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:23,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589091031] [2023-11-28 20:42:23,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:23,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:23,902 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:23,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014737832] [2023-11-28 20:42:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:23,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:23,903 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:23,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-28 20:42:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:23,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:23,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:24,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:24,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:24,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589091031] [2023-11-28 20:42:24,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:24,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014737832] [2023-11-28 20:42:24,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014737832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:24,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:24,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68308811] [2023-11-28 20:42:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:24,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:24,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:24,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:24,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:24,046 INFO L87 Difference]: Start difference. First operand 445 states and 536 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:24,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:24,352 INFO L93 Difference]: Finished difference Result 468 states and 536 transitions. [2023-11-28 20:42:24,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:24,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2023-11-28 20:42:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:24,355 INFO L225 Difference]: With dead ends: 468 [2023-11-28 20:42:24,355 INFO L226 Difference]: Without dead ends: 466 [2023-11-28 20:42:24,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:24,356 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 150 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:24,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 647 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:42:24,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-11-28 20:42:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 445. [2023-11-28 20:42:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 318 states have (on average 1.5408805031446542) internal successors, (490), 421 states have internal predecessors, (490), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:42:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 534 transitions. [2023-11-28 20:42:24,370 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 534 transitions. Word has length 88 [2023-11-28 20:42:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:24,371 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 534 transitions. [2023-11-28 20:42:24,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 534 transitions. [2023-11-28 20:42:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-28 20:42:24,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:24,373 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:24,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:24,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:24,573 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:24,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash -969912028, now seen corresponding path program 1 times [2023-11-28 20:42:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641631916] [2023-11-28 20:42:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:24,582 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:24,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703013008] [2023-11-28 20:42:24,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:24,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:24,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:24,584 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:24,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-28 20:42:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:24,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:24,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:24,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:24,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:24,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641631916] [2023-11-28 20:42:24,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:24,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703013008] [2023-11-28 20:42:24,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703013008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:24,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:24,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:42:24,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559432909] [2023-11-28 20:42:24,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:24,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:24,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:42:24,727 INFO L87 Difference]: Start difference. First operand 445 states and 534 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-28 20:42:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:24,783 INFO L93 Difference]: Finished difference Result 610 states and 704 transitions. [2023-11-28 20:42:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:42:24,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2023-11-28 20:42:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:24,787 INFO L225 Difference]: With dead ends: 610 [2023-11-28 20:42:24,787 INFO L226 Difference]: Without dead ends: 287 [2023-11-28 20:42:24,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:42:24,788 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 321 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:24,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 454 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:42:24,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-28 20:42:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2023-11-28 20:42:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 207 states have (on average 1.4154589371980677) internal successors, (293), 272 states have internal predecessors, (293), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 319 transitions. [2023-11-28 20:42:24,797 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 319 transitions. Word has length 87 [2023-11-28 20:42:24,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:24,797 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 319 transitions. [2023-11-28 20:42:24,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-28 20:42:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 319 transitions. [2023-11-28 20:42:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-28 20:42:24,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:24,799 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:24,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-28 20:42:24,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-28 20:42:24,999 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:25,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:25,000 INFO L85 PathProgramCache]: Analyzing trace with hash -627529813, now seen corresponding path program 1 times [2023-11-28 20:42:25,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:25,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138058607] [2023-11-28 20:42:25,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:25,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:25,011 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:25,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436943042] [2023-11-28 20:42:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:25,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:25,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:25,013 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:25,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-28 20:42:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:25,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:25,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:25,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:25,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:25,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138058607] [2023-11-28 20:42:25,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:25,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436943042] [2023-11-28 20:42:25,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436943042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:25,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:25,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:25,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778939155] [2023-11-28 20:42:25,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:25,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:25,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:25,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:25,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:25,160 INFO L87 Difference]: Start difference. First operand 287 states and 319 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:25,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:25,589 INFO L93 Difference]: Finished difference Result 308 states and 319 transitions. [2023-11-28 20:42:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:25,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 89 [2023-11-28 20:42:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:25,591 INFO L225 Difference]: With dead ends: 308 [2023-11-28 20:42:25,591 INFO L226 Difference]: Without dead ends: 300 [2023-11-28 20:42:25,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:25,592 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 66 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:25,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 310 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:42:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-11-28 20:42:25,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 287. [2023-11-28 20:42:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 207 states have (on average 1.3768115942028984) internal successors, (285), 272 states have internal predecessors, (285), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 311 transitions. [2023-11-28 20:42:25,615 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 311 transitions. Word has length 89 [2023-11-28 20:42:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:25,616 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 311 transitions. [2023-11-28 20:42:25,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 311 transitions. [2023-11-28 20:42:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-28 20:42:25,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:25,617 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:25,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-28 20:42:25,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-28 20:42:25,823 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:25,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:25,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2501755, now seen corresponding path program 1 times [2023-11-28 20:42:25,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:25,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452674651] [2023-11-28 20:42:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:25,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:25,832 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:25,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1588479312] [2023-11-28 20:42:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:25,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:25,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:25,833 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:25,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-28 20:42:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:25,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:25,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:25,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:26,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452674651] [2023-11-28 20:42:26,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588479312] [2023-11-28 20:42:26,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588479312] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:26,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:26,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-28 20:42:26,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059601032] [2023-11-28 20:42:26,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:26,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:42:26,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:42:26,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:42:26,136 INFO L87 Difference]: Start difference. First operand 287 states and 311 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:42:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:26,241 INFO L93 Difference]: Finished difference Result 304 states and 314 transitions. [2023-11-28 20:42:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 20:42:26,242 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 88 [2023-11-28 20:42:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:26,243 INFO L225 Difference]: With dead ends: 304 [2023-11-28 20:42:26,244 INFO L226 Difference]: Without dead ends: 303 [2023-11-28 20:42:26,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2023-11-28 20:42:26,245 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 407 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:26,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1166 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:42:26,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-28 20:42:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 290. [2023-11-28 20:42:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 210 states have (on average 1.3666666666666667) internal successors, (287), 274 states have internal predecessors, (287), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 313 transitions. [2023-11-28 20:42:26,258 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 313 transitions. Word has length 88 [2023-11-28 20:42:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:26,259 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 313 transitions. [2023-11-28 20:42:26,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:42:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 313 transitions. [2023-11-28 20:42:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-28 20:42:26,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:26,260 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:26,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-28 20:42:26,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:26,461 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:26,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1890782274, now seen corresponding path program 1 times [2023-11-28 20:42:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587544587] [2023-11-28 20:42:26,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:26,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:26,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:26,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811478162] [2023-11-28 20:42:26,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:26,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:26,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:26,473 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-28 20:42:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:26,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:26,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:26,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587544587] [2023-11-28 20:42:26,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811478162] [2023-11-28 20:42:26,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811478162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:26,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792013934] [2023-11-28 20:42:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:26,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:26,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:26,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:26,620 INFO L87 Difference]: Start difference. First operand 290 states and 313 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-28 20:42:26,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:26,691 INFO L93 Difference]: Finished difference Result 303 states and 313 transitions. [2023-11-28 20:42:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:26,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2023-11-28 20:42:26,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:26,693 INFO L225 Difference]: With dead ends: 303 [2023-11-28 20:42:26,693 INFO L226 Difference]: Without dead ends: 301 [2023-11-28 20:42:26,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:26,694 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 357 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:26,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 316 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:42:26,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-28 20:42:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 288. [2023-11-28 20:42:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 210 states have (on average 1.3571428571428572) internal successors, (285), 272 states have internal predecessors, (285), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 311 transitions. [2023-11-28 20:42:26,707 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 311 transitions. Word has length 90 [2023-11-28 20:42:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:26,707 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 311 transitions. [2023-11-28 20:42:26,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-28 20:42:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 311 transitions. [2023-11-28 20:42:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-28 20:42:26,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:26,709 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:26,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-28 20:42:26,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:26,909 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:26,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1515291479, now seen corresponding path program 1 times [2023-11-28 20:42:26,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:26,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145385682] [2023-11-28 20:42:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:26,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:26,918 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:26,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179472821] [2023-11-28 20:42:26,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:26,920 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:26,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-28 20:42:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:26,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:26,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:27,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-28 20:42:27,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:27,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145385682] [2023-11-28 20:42:27,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:27,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179472821] [2023-11-28 20:42:27,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179472821] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:27,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:27,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-28 20:42:27,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913383644] [2023-11-28 20:42:27,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:27,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:27,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:27,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:27,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:42:27,130 INFO L87 Difference]: Start difference. First operand 288 states and 311 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:42:27,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:27,179 INFO L93 Difference]: Finished difference Result 301 states and 311 transitions. [2023-11-28 20:42:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2023-11-28 20:42:27,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:27,181 INFO L225 Difference]: With dead ends: 301 [2023-11-28 20:42:27,181 INFO L226 Difference]: Without dead ends: 299 [2023-11-28 20:42:27,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:42:27,182 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 502 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:27,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 436 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:42:27,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-11-28 20:42:27,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 286. [2023-11-28 20:42:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 210 states have (on average 1.3476190476190477) internal successors, (283), 270 states have internal predecessors, (283), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 309 transitions. [2023-11-28 20:42:27,191 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 309 transitions. Word has length 91 [2023-11-28 20:42:27,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:27,191 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 309 transitions. [2023-11-28 20:42:27,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:42:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 309 transitions. [2023-11-28 20:42:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-28 20:42:27,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:27,192 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:27,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-28 20:42:27,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-28 20:42:27,393 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:27,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:27,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1478079932, now seen corresponding path program 1 times [2023-11-28 20:42:27,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:27,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497433092] [2023-11-28 20:42:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:27,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646490088] [2023-11-28 20:42:27,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:27,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:27,403 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:27,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-28 20:42:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:27,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:42:27,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-28 20:42:27,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:27,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497433092] [2023-11-28 20:42:27,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646490088] [2023-11-28 20:42:27,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646490088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:27,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:27,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:42:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548827326] [2023-11-28 20:42:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:27,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:27,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:27,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:27,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:27,565 INFO L87 Difference]: Start difference. First operand 286 states and 309 transitions. Second operand has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:27,681 INFO L93 Difference]: Finished difference Result 286 states and 309 transitions. [2023-11-28 20:42:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 100 [2023-11-28 20:42:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:27,683 INFO L225 Difference]: With dead ends: 286 [2023-11-28 20:42:27,683 INFO L226 Difference]: Without dead ends: 284 [2023-11-28 20:42:27,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:27,684 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 138 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:27,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 201 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:42:27,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-11-28 20:42:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2023-11-28 20:42:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 210 states have (on average 1.338095238095238) internal successors, (281), 268 states have internal predecessors, (281), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 307 transitions. [2023-11-28 20:42:27,698 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 307 transitions. Word has length 100 [2023-11-28 20:42:27,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:27,698 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 307 transitions. [2023-11-28 20:42:27,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-28 20:42:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 307 transitions. [2023-11-28 20:42:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-28 20:42:27,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:27,700 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:27,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-28 20:42:27,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-28 20:42:27,900 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:27,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1424162182, now seen corresponding path program 1 times [2023-11-28 20:42:27,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:27,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877893453] [2023-11-28 20:42:27,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:27,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:27,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676961317] [2023-11-28 20:42:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:27,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:27,911 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:27,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-28 20:42:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:27,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:42:27,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:28,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:28,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:28,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877893453] [2023-11-28 20:42:28,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:28,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676961317] [2023-11-28 20:42:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676961317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:28,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:28,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558684015] [2023-11-28 20:42:28,510 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:28,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:28,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:28,512 INFO L87 Difference]: Start difference. First operand 284 states and 307 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:29,463 INFO L93 Difference]: Finished difference Result 297 states and 307 transitions. [2023-11-28 20:42:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:42:29,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 101 [2023-11-28 20:42:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:29,466 INFO L225 Difference]: With dead ends: 297 [2023-11-28 20:42:29,466 INFO L226 Difference]: Without dead ends: 292 [2023-11-28 20:42:29,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:42:29,467 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 205 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:29,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 224 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-28 20:42:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-28 20:42:29,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2023-11-28 20:42:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 210 states have (on average 1.3142857142857143) internal successors, (276), 263 states have internal predecessors, (276), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 302 transitions. [2023-11-28 20:42:29,494 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 302 transitions. Word has length 101 [2023-11-28 20:42:29,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:29,494 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 302 transitions. [2023-11-28 20:42:29,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 302 transitions. [2023-11-28 20:42:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-28 20:42:29,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:29,495 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:29,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-28 20:42:29,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-28 20:42:29,696 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:29,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1199354498, now seen corresponding path program 1 times [2023-11-28 20:42:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:29,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364904934] [2023-11-28 20:42:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:29,707 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:29,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938624343] [2023-11-28 20:42:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:29,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:29,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:29,709 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:29,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-28 20:42:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:29,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:42:29,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:29,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:30,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:30,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364904934] [2023-11-28 20:42:30,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:30,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938624343] [2023-11-28 20:42:30,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938624343] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:30,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:30,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:30,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652692657] [2023-11-28 20:42:30,476 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:30,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:30,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:30,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:30,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:30,477 INFO L87 Difference]: Start difference. First operand 279 states and 302 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:30,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:30,836 INFO L93 Difference]: Finished difference Result 292 states and 302 transitions. [2023-11-28 20:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:30,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2023-11-28 20:42:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:30,838 INFO L225 Difference]: With dead ends: 292 [2023-11-28 20:42:30,838 INFO L226 Difference]: Without dead ends: 282 [2023-11-28 20:42:30,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:30,839 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 312 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:30,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 255 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:42:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-28 20:42:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 272. [2023-11-28 20:42:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 210 states have (on average 1.2666666666666666) internal successors, (266), 256 states have internal predecessors, (266), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 292 transitions. [2023-11-28 20:42:30,848 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 292 transitions. Word has length 102 [2023-11-28 20:42:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:30,848 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 292 transitions. [2023-11-28 20:42:30,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 292 transitions. [2023-11-28 20:42:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:42:30,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:30,849 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:30,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-28 20:42:31,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-28 20:42:31,050 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:31,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:31,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1943308681, now seen corresponding path program 1 times [2023-11-28 20:42:31,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91376017] [2023-11-28 20:42:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:31,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379855922] [2023-11-28 20:42:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:31,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:31,060 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:31,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-28 20:42:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:31,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:31,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:31,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:31,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91376017] [2023-11-28 20:42:31,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379855922] [2023-11-28 20:42:31,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379855922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:31,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:31,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606475566] [2023-11-28 20:42:31,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:31,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:31,231 INFO L87 Difference]: Start difference. First operand 272 states and 292 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:31,744 INFO L93 Difference]: Finished difference Result 282 states and 292 transitions. [2023-11-28 20:42:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:31,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2023-11-28 20:42:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:31,745 INFO L225 Difference]: With dead ends: 282 [2023-11-28 20:42:31,745 INFO L226 Difference]: Without dead ends: 281 [2023-11-28 20:42:31,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:31,746 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 167 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:31,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 265 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:42:31,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-28 20:42:31,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 272. [2023-11-28 20:42:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 210 states have (on average 1.2619047619047619) internal successors, (265), 256 states have internal predecessors, (265), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 291 transitions. [2023-11-28 20:42:31,756 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 291 transitions. Word has length 104 [2023-11-28 20:42:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:31,757 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 291 transitions. [2023-11-28 20:42:31,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 291 transitions. [2023-11-28 20:42:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:42:31,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:31,758 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:31,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:31,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-28 20:42:31,964 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:31,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1474716412, now seen corresponding path program 1 times [2023-11-28 20:42:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:31,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366434598] [2023-11-28 20:42:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:31,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:31,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691407378] [2023-11-28 20:42:31,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:31,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:31,977 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-28 20:42:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:32,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:42:32,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:32,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366434598] [2023-11-28 20:42:32,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691407378] [2023-11-28 20:42:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691407378] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:32,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631537313] [2023-11-28 20:42:32,568 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:32,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:32,570 INFO L87 Difference]: Start difference. First operand 272 states and 291 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:33,869 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2023-11-28 20:42:33,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:33,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 103 [2023-11-28 20:42:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:33,870 INFO L225 Difference]: With dead ends: 281 [2023-11-28 20:42:33,870 INFO L226 Difference]: Without dead ends: 279 [2023-11-28 20:42:33,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:42:33,871 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 312 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:33,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 176 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-28 20:42:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-11-28 20:42:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 270. [2023-11-28 20:42:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 210 states have (on average 1.2523809523809524) internal successors, (263), 254 states have internal predecessors, (263), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 289 transitions. [2023-11-28 20:42:33,882 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 289 transitions. Word has length 103 [2023-11-28 20:42:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:33,882 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 289 transitions. [2023-11-28 20:42:33,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 289 transitions. [2023-11-28 20:42:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 20:42:33,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:33,883 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:33,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:34,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-28 20:42:34,084 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:34,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash -113026762, now seen corresponding path program 1 times [2023-11-28 20:42:34,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:34,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929478510] [2023-11-28 20:42:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:34,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:34,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:34,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210381170] [2023-11-28 20:42:34,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:34,097 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-28 20:42:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:34,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:34,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:34,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:34,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929478510] [2023-11-28 20:42:34,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210381170] [2023-11-28 20:42:34,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210381170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:34,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:34,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:34,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351368904] [2023-11-28 20:42:34,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:34,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:34,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:34,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:34,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:34,296 INFO L87 Difference]: Start difference. First operand 270 states and 289 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:34,705 INFO L93 Difference]: Finished difference Result 279 states and 289 transitions. [2023-11-28 20:42:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:34,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2023-11-28 20:42:34,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:34,707 INFO L225 Difference]: With dead ends: 279 [2023-11-28 20:42:34,707 INFO L226 Difference]: Without dead ends: 278 [2023-11-28 20:42:34,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:34,708 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 110 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:34,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 317 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:42:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-11-28 20:42:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 270. [2023-11-28 20:42:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 210 states have (on average 1.2476190476190476) internal successors, (262), 254 states have internal predecessors, (262), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-28 20:42:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 288 transitions. [2023-11-28 20:42:34,721 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 288 transitions. Word has length 105 [2023-11-28 20:42:34,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:34,721 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 288 transitions. [2023-11-28 20:42:34,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 288 transitions. [2023-11-28 20:42:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:42:34,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:34,722 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:34,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-28 20:42:34,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-28 20:42:34,925 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:34,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1528431296, now seen corresponding path program 1 times [2023-11-28 20:42:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:34,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090022509] [2023-11-28 20:42:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:34,933 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271583594] [2023-11-28 20:42:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:34,935 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:34,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-28 20:42:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:34,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:42:34,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:35,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:35,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:35,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090022509] [2023-11-28 20:42:35,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:35,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271583594] [2023-11-28 20:42:35,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271583594] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:35,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:35,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:35,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622821827] [2023-11-28 20:42:35,555 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:35,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:35,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:35,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:35,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:35,557 INFO L87 Difference]: Start difference. First operand 270 states and 288 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:36,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:36,146 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2023-11-28 20:42:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:36,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 104 [2023-11-28 20:42:36,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:36,148 INFO L225 Difference]: With dead ends: 278 [2023-11-28 20:42:36,148 INFO L226 Difference]: Without dead ends: 244 [2023-11-28 20:42:36,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:36,149 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 173 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:36,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 251 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:42:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-28 20:42:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 238. [2023-11-28 20:42:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 186 states have (on average 1.2311827956989247) internal successors, (229), 223 states have internal predecessors, (229), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 253 transitions. [2023-11-28 20:42:36,158 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 253 transitions. Word has length 104 [2023-11-28 20:42:36,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:36,158 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 253 transitions. [2023-11-28 20:42:36,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 253 transitions. [2023-11-28 20:42:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 20:42:36,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:36,160 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:36,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-28 20:42:36,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-28 20:42:36,360 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:36,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash -136729730, now seen corresponding path program 1 times [2023-11-28 20:42:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:36,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843272988] [2023-11-28 20:42:36,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:36,370 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780152070] [2023-11-28 20:42:36,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:36,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:36,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:36,372 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:36,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-28 20:42:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:36,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:42:36,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:36,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:37,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843272988] [2023-11-28 20:42:37,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:37,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780152070] [2023-11-28 20:42:37,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780152070] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:37,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:37,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-28 20:42:37,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578790032] [2023-11-28 20:42:37,931 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:37,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:37,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:37,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:37,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:37,932 INFO L87 Difference]: Start difference. First operand 238 states and 253 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:39,443 INFO L93 Difference]: Finished difference Result 244 states and 253 transitions. [2023-11-28 20:42:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:42:39,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 105 [2023-11-28 20:42:39,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:39,445 INFO L225 Difference]: With dead ends: 244 [2023-11-28 20:42:39,445 INFO L226 Difference]: Without dead ends: 242 [2023-11-28 20:42:39,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:42:39,446 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 261 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:39,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 168 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-28 20:42:39,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-28 20:42:39,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2023-11-28 20:42:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 186 states have (on average 1.2204301075268817) internal successors, (227), 221 states have internal predecessors, (227), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 251 transitions. [2023-11-28 20:42:39,457 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 251 transitions. Word has length 105 [2023-11-28 20:42:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:39,457 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 251 transitions. [2023-11-28 20:42:39,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 251 transitions. [2023-11-28 20:42:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-28 20:42:39,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:39,458 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:39,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-28 20:42:39,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-28 20:42:39,659 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:39,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 56345858, now seen corresponding path program 1 times [2023-11-28 20:42:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:39,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723623052] [2023-11-28 20:42:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:39,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:39,670 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:39,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92873244] [2023-11-28 20:42:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:39,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:39,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:39,672 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:39,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-28 20:42:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:39,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 20:42:39,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:42:40,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:40,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:40,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723623052] [2023-11-28 20:42:40,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:40,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92873244] [2023-11-28 20:42:40,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92873244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:40,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:40,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-28 20:42:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308120763] [2023-11-28 20:42:40,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:40,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:42:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:42:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:42:40,568 INFO L87 Difference]: Start difference. First operand 236 states and 251 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:41,894 INFO L93 Difference]: Finished difference Result 242 states and 251 transitions. [2023-11-28 20:42:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:42:41,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 106 [2023-11-28 20:42:41,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:41,896 INFO L225 Difference]: With dead ends: 242 [2023-11-28 20:42:41,896 INFO L226 Difference]: Without dead ends: 240 [2023-11-28 20:42:41,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:42:41,897 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 305 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:41,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 116 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-28 20:42:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-28 20:42:41,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 234. [2023-11-28 20:42:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 186 states have (on average 1.2096774193548387) internal successors, (225), 219 states have internal predecessors, (225), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 249 transitions. [2023-11-28 20:42:41,906 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 249 transitions. Word has length 106 [2023-11-28 20:42:41,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:41,907 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 249 transitions. [2023-11-28 20:42:41,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-28 20:42:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 249 transitions. [2023-11-28 20:42:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-28 20:42:41,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:41,908 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:41,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-28 20:42:42,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:42,109 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:42,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 239482367, now seen corresponding path program 1 times [2023-11-28 20:42:42,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:42,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764800062] [2023-11-28 20:42:42,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:42,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:42,119 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:42,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029810372] [2023-11-28 20:42:42,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:42,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:42,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:42,121 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-28 20:42:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:42,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:42,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:42,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:42,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764800062] [2023-11-28 20:42:42,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029810372] [2023-11-28 20:42:42,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029810372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:42,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:42,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:42:42,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085944189] [2023-11-28 20:42:42,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:42,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:42,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:42,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:42,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:42,406 INFO L87 Difference]: Start difference. First operand 234 states and 249 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:42,995 INFO L93 Difference]: Finished difference Result 240 states and 249 transitions. [2023-11-28 20:42:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:42,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 112 [2023-11-28 20:42:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:42,997 INFO L225 Difference]: With dead ends: 240 [2023-11-28 20:42:42,997 INFO L226 Difference]: Without dead ends: 239 [2023-11-28 20:42:42,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:42,997 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 51 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:42,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 325 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:42:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-28 20:42:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 234. [2023-11-28 20:42:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 186 states have (on average 1.2043010752688172) internal successors, (224), 219 states have internal predecessors, (224), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 248 transitions. [2023-11-28 20:42:43,005 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 248 transitions. Word has length 112 [2023-11-28 20:42:43,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:43,007 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 248 transitions. [2023-11-28 20:42:43,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 248 transitions. [2023-11-28 20:42:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-28 20:42:43,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:43,008 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:43,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:43,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:43,209 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:43,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1165980994, now seen corresponding path program 1 times [2023-11-28 20:42:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:43,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727222773] [2023-11-28 20:42:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:43,220 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191122277] [2023-11-28 20:42:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:43,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:43,222 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-28 20:42:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:43,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:42:43,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:43,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:43,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727222773] [2023-11-28 20:42:43,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191122277] [2023-11-28 20:42:43,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191122277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:43,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:43,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:43,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884330617] [2023-11-28 20:42:43,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:43,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:43,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:43,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:43,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:43,423 INFO L87 Difference]: Start difference. First operand 234 states and 248 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-28 20:42:43,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:43,637 INFO L93 Difference]: Finished difference Result 239 states and 248 transitions. [2023-11-28 20:42:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:43,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 113 [2023-11-28 20:42:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:43,638 INFO L225 Difference]: With dead ends: 239 [2023-11-28 20:42:43,638 INFO L226 Difference]: Without dead ends: 238 [2023-11-28 20:42:43,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:43,639 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 104 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:43,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 244 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:42:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-28 20:42:43,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2023-11-28 20:42:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 219 states have internal predecessors, (223), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 247 transitions. [2023-11-28 20:42:43,651 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 247 transitions. Word has length 113 [2023-11-28 20:42:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:43,652 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 247 transitions. [2023-11-28 20:42:43,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-28 20:42:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 247 transitions. [2023-11-28 20:42:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-28 20:42:43,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:43,653 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:43,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-28 20:42:43,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:43,853 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:43,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:43,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1955919299, now seen corresponding path program 1 times [2023-11-28 20:42:43,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:43,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215910167] [2023-11-28 20:42:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:43,864 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513164524] [2023-11-28 20:42:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:43,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:43,866 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:43,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-28 20:42:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:43,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:42:43,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:44,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:44,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:44,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215910167] [2023-11-28 20:42:44,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513164524] [2023-11-28 20:42:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513164524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:44,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:44,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:42:44,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963206144] [2023-11-28 20:42:44,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:44,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:44,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:44,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:44,302 INFO L87 Difference]: Start difference. First operand 234 states and 247 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:44,738 INFO L93 Difference]: Finished difference Result 238 states and 247 transitions. [2023-11-28 20:42:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:44,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 116 [2023-11-28 20:42:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:44,740 INFO L225 Difference]: With dead ends: 238 [2023-11-28 20:42:44,740 INFO L226 Difference]: Without dead ends: 236 [2023-11-28 20:42:44,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:44,741 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:44,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 231 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:42:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-28 20:42:44,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2023-11-28 20:42:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 186 states have (on average 1.1881720430107527) internal successors, (221), 219 states have internal predecessors, (221), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 245 transitions. [2023-11-28 20:42:44,749 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 245 transitions. Word has length 116 [2023-11-28 20:42:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:44,749 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 245 transitions. [2023-11-28 20:42:44,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 245 transitions. [2023-11-28 20:42:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-28 20:42:44,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:44,750 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:44,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-11-28 20:42:44,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:44,950 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:44,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:44,951 INFO L85 PathProgramCache]: Analyzing trace with hash -803585080, now seen corresponding path program 1 times [2023-11-28 20:42:44,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:44,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178912257] [2023-11-28 20:42:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:44,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:44,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:44,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158082375] [2023-11-28 20:42:44,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:44,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:44,959 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:44,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-28 20:42:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:45,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:42:45,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:45,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:45,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:45,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178912257] [2023-11-28 20:42:45,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:45,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158082375] [2023-11-28 20:42:45,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158082375] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:45,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:45,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:45,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896377133] [2023-11-28 20:42:45,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:45,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:45,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:45,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:45,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:45,438 INFO L87 Difference]: Start difference. First operand 234 states and 245 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:45,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:45,625 INFO L93 Difference]: Finished difference Result 236 states and 245 transitions. [2023-11-28 20:42:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:45,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 116 [2023-11-28 20:42:45,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:45,627 INFO L225 Difference]: With dead ends: 236 [2023-11-28 20:42:45,627 INFO L226 Difference]: Without dead ends: 234 [2023-11-28 20:42:45,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:42:45,628 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 351 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:45,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 110 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:42:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-11-28 20:42:45,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2023-11-28 20:42:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 217 states have internal predecessors, (219), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 20:42:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 243 transitions. [2023-11-28 20:42:45,636 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 243 transitions. Word has length 116 [2023-11-28 20:42:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:45,636 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 243 transitions. [2023-11-28 20:42:45,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 243 transitions. [2023-11-28 20:42:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:42:45,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:45,637 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:45,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-11-28 20:42:45,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:45,838 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:45,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:45,838 INFO L85 PathProgramCache]: Analyzing trace with hash 503956354, now seen corresponding path program 1 times [2023-11-28 20:42:45,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:45,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635349493] [2023-11-28 20:42:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:45,850 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:45,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728179318] [2023-11-28 20:42:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:45,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:45,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:45,851 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:45,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-28 20:42:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:45,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:42:45,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:46,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:46,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:46,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635349493] [2023-11-28 20:42:46,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:46,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728179318] [2023-11-28 20:42:46,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728179318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:46,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:46,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:46,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331405261] [2023-11-28 20:42:46,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:46,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:46,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:46,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:46,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:46,494 INFO L87 Difference]: Start difference. First operand 232 states and 243 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:46,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:46,810 INFO L93 Difference]: Finished difference Result 234 states and 243 transitions. [2023-11-28 20:42:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:46,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 117 [2023-11-28 20:42:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:46,812 INFO L225 Difference]: With dead ends: 234 [2023-11-28 20:42:46,812 INFO L226 Difference]: Without dead ends: 198 [2023-11-28 20:42:46,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:46,813 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 36 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:46,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 221 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:42:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-28 20:42:46,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-11-28 20:42:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 185 states have internal predecessors, (185), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 205 transitions. [2023-11-28 20:42:46,820 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 205 transitions. Word has length 117 [2023-11-28 20:42:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:46,820 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 205 transitions. [2023-11-28 20:42:46,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2023-11-28 20:42:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:42:46,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:46,821 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:46,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-11-28 20:42:47,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-11-28 20:42:47,021 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:47,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash 858666501, now seen corresponding path program 1 times [2023-11-28 20:42:47,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:47,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902633278] [2023-11-28 20:42:47,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:47,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:47,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:47,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623947082] [2023-11-28 20:42:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:47,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:47,030 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-28 20:42:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:47,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:42:47,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:47,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:47,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:47,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902633278] [2023-11-28 20:42:47,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:47,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623947082] [2023-11-28 20:42:47,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623947082] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:47,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:47,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:42:47,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039904338] [2023-11-28 20:42:47,601 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:47,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:47,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:47,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:47,602 INFO L87 Difference]: Start difference. First operand 198 states and 205 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:47,945 INFO L93 Difference]: Finished difference Result 198 states and 205 transitions. [2023-11-28 20:42:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:47,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 117 [2023-11-28 20:42:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:47,947 INFO L225 Difference]: With dead ends: 198 [2023-11-28 20:42:47,947 INFO L226 Difference]: Without dead ends: 195 [2023-11-28 20:42:47,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:47,948 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 190 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:47,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 195 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:42:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-28 20:42:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2023-11-28 20:42:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 154 states have (on average 1.1818181818181819) internal successors, (182), 182 states have internal predecessors, (182), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 202 transitions. [2023-11-28 20:42:47,958 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 202 transitions. Word has length 117 [2023-11-28 20:42:47,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:47,958 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 202 transitions. [2023-11-28 20:42:47,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 202 transitions. [2023-11-28 20:42:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-28 20:42:47,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:47,959 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:47,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-11-28 20:42:48,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-11-28 20:42:48,160 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:48,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1630774293, now seen corresponding path program 1 times [2023-11-28 20:42:48,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686387596] [2023-11-28 20:42:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:48,171 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:48,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084407136] [2023-11-28 20:42:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:48,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:48,172 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:48,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-28 20:42:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:48,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:42:48,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:48,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:48,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686387596] [2023-11-28 20:42:48,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084407136] [2023-11-28 20:42:48,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084407136] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:48,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:48,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-28 20:42:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718542051] [2023-11-28 20:42:48,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:48,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:48,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:48,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:48,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:42:48,522 INFO L87 Difference]: Start difference. First operand 195 states and 202 transitions. Second operand has 6 states, 5 states have (on average 35.8) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-28 20:42:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:48,971 INFO L93 Difference]: Finished difference Result 195 states and 202 transitions. [2023-11-28 20:42:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:48,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2023-11-28 20:42:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:48,973 INFO L225 Difference]: With dead ends: 195 [2023-11-28 20:42:48,973 INFO L226 Difference]: Without dead ends: 187 [2023-11-28 20:42:48,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:42:48,974 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 205 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:48,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 133 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:42:48,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-28 20:42:48,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2023-11-28 20:42:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 154 states have (on average 1.12987012987013) internal successors, (174), 174 states have internal predecessors, (174), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions. [2023-11-28 20:42:48,985 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 123 [2023-11-28 20:42:48,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:48,986 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions. [2023-11-28 20:42:48,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-28 20:42:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions. [2023-11-28 20:42:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-28 20:42:48,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:48,987 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:48,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-11-28 20:42:49,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:49,187 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:49,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash 985604688, now seen corresponding path program 1 times [2023-11-28 20:42:49,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:49,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047817000] [2023-11-28 20:42:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:49,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:49,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44081605] [2023-11-28 20:42:49,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:49,202 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:49,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-28 20:42:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:49,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:42:49,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:49,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:50,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047817000] [2023-11-28 20:42:50,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:50,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44081605] [2023-11-28 20:42:50,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44081605] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:50,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:50,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-28 20:42:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448207376] [2023-11-28 20:42:50,794 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:50,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:42:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:50,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:42:50,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:42:50,795 INFO L87 Difference]: Start difference. First operand 187 states and 194 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:51,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:51,414 INFO L93 Difference]: Finished difference Result 187 states and 194 transitions. [2023-11-28 20:42:51,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:42:51,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 124 [2023-11-28 20:42:51,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:51,416 INFO L225 Difference]: With dead ends: 187 [2023-11-28 20:42:51,416 INFO L226 Difference]: Without dead ends: 184 [2023-11-28 20:42:51,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-28 20:42:51,416 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 159 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:51,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 167 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:42:51,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-28 20:42:51,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2023-11-28 20:42:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 154 states have (on average 1.1103896103896105) internal successors, (171), 171 states have internal predecessors, (171), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 191 transitions. [2023-11-28 20:42:51,423 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 191 transitions. Word has length 124 [2023-11-28 20:42:51,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:51,423 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 191 transitions. [2023-11-28 20:42:51,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 191 transitions. [2023-11-28 20:42:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-28 20:42:51,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:51,424 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:51,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-11-28 20:42:51,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:51,625 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:51,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash 488974477, now seen corresponding path program 1 times [2023-11-28 20:42:51,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:51,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987289151] [2023-11-28 20:42:51,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:51,633 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:51,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302165620] [2023-11-28 20:42:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:51,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:51,635 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-11-28 20:42:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:42:51,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:52,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987289151] [2023-11-28 20:42:52,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302165620] [2023-11-28 20:42:52,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302165620] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:52,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:52,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-28 20:42:52,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472602322] [2023-11-28 20:42:52,151 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:52,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:52,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:52,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:52,152 INFO L87 Difference]: Start difference. First operand 184 states and 191 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:54,988 INFO L93 Difference]: Finished difference Result 184 states and 191 transitions. [2023-11-28 20:42:54,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:42:54,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 125 [2023-11-28 20:42:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:54,990 INFO L225 Difference]: With dead ends: 184 [2023-11-28 20:42:54,990 INFO L226 Difference]: Without dead ends: 183 [2023-11-28 20:42:54,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:42:54,991 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 287 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:54,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 117 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-28 20:42:54,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-28 20:42:54,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2023-11-28 20:42:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 154 states have (on average 1.103896103896104) internal successors, (170), 170 states have internal predecessors, (170), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 190 transitions. [2023-11-28 20:42:54,997 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 190 transitions. Word has length 125 [2023-11-28 20:42:54,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:54,998 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 190 transitions. [2023-11-28 20:42:54,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-28 20:42:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 190 transitions. [2023-11-28 20:42:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-28 20:42:54,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:54,998 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:55,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-11-28 20:42:55,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-28 20:42:55,199 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:55,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:55,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1048371665, now seen corresponding path program 1 times [2023-11-28 20:42:55,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:55,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135737891] [2023-11-28 20:42:55,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:55,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:55,206 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:55,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1485419665] [2023-11-28 20:42:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:55,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:55,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:55,208 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-11-28 20:42:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:55,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:42:55,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:42:55,711 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:55,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:55,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135737891] [2023-11-28 20:42:55,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:55,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485419665] [2023-11-28 20:42:55,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485419665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:55,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:55,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 20:42:55,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064271021] [2023-11-28 20:42:55,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:55,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:42:55,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:55,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:42:55,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:55,712 INFO L87 Difference]: Start difference. First operand 183 states and 190 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:57,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:57,467 INFO L93 Difference]: Finished difference Result 183 states and 190 transitions. [2023-11-28 20:42:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:42:57,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 129 [2023-11-28 20:42:57,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:57,468 INFO L225 Difference]: With dead ends: 183 [2023-11-28 20:42:57,469 INFO L226 Difference]: Without dead ends: 181 [2023-11-28 20:42:57,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:57,469 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 138 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:57,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 208 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:42:57,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-28 20:42:57,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2023-11-28 20:42:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 154 states have (on average 1.0909090909090908) internal successors, (168), 168 states have internal predecessors, (168), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:42:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2023-11-28 20:42:57,476 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 129 [2023-11-28 20:42:57,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:57,477 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2023-11-28 20:42:57,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-28 20:42:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2023-11-28 20:42:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-28 20:42:57,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:57,478 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:57,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-11-28 20:42:57,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-11-28 20:42:57,678 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:42:57,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash -489744226, now seen corresponding path program 1 times [2023-11-28 20:42:57,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:57,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905552523] [2023-11-28 20:42:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:57,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:57,689 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:57,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018007555] [2023-11-28 20:42:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:57,690 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:57,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-28 20:42:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:57,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:42:57,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-28 20:42:57,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-28 20:42:58,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:58,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905552523] [2023-11-28 20:42:58,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:58,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018007555] [2023-11-28 20:42:58,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018007555] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:58,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:58,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-28 20:42:58,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603229850] [2023-11-28 20:42:58,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:58,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:42:58,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:58,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:42:58,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:42:58,193 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-28 20:43:00,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:00,179 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2023-11-28 20:43:00,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:43:00,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 140 [2023-11-28 20:43:00,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:00,180 INFO L225 Difference]: With dead ends: 181 [2023-11-28 20:43:00,180 INFO L226 Difference]: Without dead ends: 180 [2023-11-28 20:43:00,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:43:00,181 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 125 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:00,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 191 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:43:00,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-28 20:43:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2023-11-28 20:43:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 154 states have (on average 1.0844155844155845) internal successors, (167), 167 states have internal predecessors, (167), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 187 transitions. [2023-11-28 20:43:00,192 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 187 transitions. Word has length 140 [2023-11-28 20:43:00,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:00,192 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 187 transitions. [2023-11-28 20:43:00,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-28 20:43:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 187 transitions. [2023-11-28 20:43:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-28 20:43:00,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:00,193 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:00,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2023-11-28 20:43:00,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:00,393 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:00,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:00,394 INFO L85 PathProgramCache]: Analyzing trace with hash 898842020, now seen corresponding path program 1 times [2023-11-28 20:43:00,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:00,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984631207] [2023-11-28 20:43:00,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:00,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:00,403 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:00,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2086460498] [2023-11-28 20:43:00,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:00,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:00,404 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:00,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-28 20:43:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:00,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:43:00,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-28 20:43:03,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984631207] [2023-11-28 20:43:03,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:03,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086460498] [2023-11-28 20:43:03,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086460498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:03,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:03,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-28 20:43:03,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368081630] [2023-11-28 20:43:03,672 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:03,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:43:03,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:03,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:43:03,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:43:03,673 INFO L87 Difference]: Start difference. First operand 180 states and 187 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-28 20:43:13,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:13,657 INFO L93 Difference]: Finished difference Result 180 states and 187 transitions. [2023-11-28 20:43:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 20:43:13,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 146 [2023-11-28 20:43:13,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:13,659 INFO L225 Difference]: With dead ends: 180 [2023-11-28 20:43:13,659 INFO L226 Difference]: Without dead ends: 175 [2023-11-28 20:43:13,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:43:13,659 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 194 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:13,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 230 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-28 20:43:13,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-28 20:43:13,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-11-28 20:43:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 154 states have (on average 1.051948051948052) internal successors, (162), 162 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 182 transitions. [2023-11-28 20:43:13,668 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 182 transitions. Word has length 146 [2023-11-28 20:43:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:13,668 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 182 transitions. [2023-11-28 20:43:13,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-28 20:43:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 182 transitions. [2023-11-28 20:43:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-28 20:43:13,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:13,669 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:13,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-11-28 20:43:13,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2023-11-28 20:43:13,870 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:13,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1138232756, now seen corresponding path program 1 times [2023-11-28 20:43:13,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:13,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366672707] [2023-11-28 20:43:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:13,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:13,881 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:13,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647383067] [2023-11-28 20:43:13,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:13,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:13,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:13,882 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:13,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-28 20:43:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:13,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:43:13,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:43:14,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:18,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:18,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366672707] [2023-11-28 20:43:18,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:18,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647383067] [2023-11-28 20:43:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647383067] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:18,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:18,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-28 20:43:18,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368508640] [2023-11-28 20:43:18,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:18,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:43:18,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:18,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:43:18,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:43:18,252 INFO L87 Difference]: Start difference. First operand 175 states and 182 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-28 20:43:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:18,420 INFO L93 Difference]: Finished difference Result 175 states and 182 transitions. [2023-11-28 20:43:18,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:43:18,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 184 [2023-11-28 20:43:18,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:18,421 INFO L225 Difference]: With dead ends: 175 [2023-11-28 20:43:18,421 INFO L226 Difference]: Without dead ends: 174 [2023-11-28 20:43:18,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:43:18,422 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 67 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:18,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 163 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:43:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-28 20:43:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2023-11-28 20:43:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 154 states have (on average 1.0454545454545454) internal successors, (161), 161 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 181 transitions. [2023-11-28 20:43:18,429 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 181 transitions. Word has length 184 [2023-11-28 20:43:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:18,430 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 181 transitions. [2023-11-28 20:43:18,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-28 20:43:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 181 transitions. [2023-11-28 20:43:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-28 20:43:18,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:18,431 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:18,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2023-11-28 20:43:18,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2023-11-28 20:43:18,632 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:18,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash -324920208, now seen corresponding path program 1 times [2023-11-28 20:43:18,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:18,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465837011] [2023-11-28 20:43:18,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:18,643 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:18,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249249409] [2023-11-28 20:43:18,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:18,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:18,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:18,644 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:18,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-28 20:43:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:18,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:43:18,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:43:19,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:26,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465837011] [2023-11-28 20:43:26,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:26,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249249409] [2023-11-28 20:43:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249249409] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:26,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-28 20:43:26,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526856541] [2023-11-28 20:43:26,487 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:26,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:43:26,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:26,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:43:26,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=83, Unknown=1, NotChecked=0, Total=132 [2023-11-28 20:43:26,488 INFO L87 Difference]: Start difference. First operand 174 states and 181 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-28 20:43:26,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:26,773 INFO L93 Difference]: Finished difference Result 174 states and 181 transitions. [2023-11-28 20:43:26,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:43:26,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 187 [2023-11-28 20:43:26,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:26,775 INFO L225 Difference]: With dead ends: 174 [2023-11-28 20:43:26,775 INFO L226 Difference]: Without dead ends: 170 [2023-11-28 20:43:26,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=48, Invalid=83, Unknown=1, NotChecked=0, Total=132 [2023-11-28 20:43:26,775 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 20 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:26,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 248 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:43:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-28 20:43:26,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-11-28 20:43:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 154 states have (on average 1.0194805194805194) internal successors, (157), 157 states have internal predecessors, (157), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 177 transitions. [2023-11-28 20:43:26,783 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 177 transitions. Word has length 187 [2023-11-28 20:43:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:26,783 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 177 transitions. [2023-11-28 20:43:26,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-28 20:43:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 177 transitions. [2023-11-28 20:43:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-28 20:43:26,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:26,785 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:26,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-11-28 20:43:26,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2023-11-28 20:43:26,985 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:26,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1482591536, now seen corresponding path program 1 times [2023-11-28 20:43:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255534513] [2023-11-28 20:43:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:26,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:26,996 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:26,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625507471] [2023-11-28 20:43:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:26,997 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:26,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-11-28 20:43:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:27,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:43:27,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:43:27,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:27,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:27,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255534513] [2023-11-28 20:43:27,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:27,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625507471] [2023-11-28 20:43:27,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625507471] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:27,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:27,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-28 20:43:27,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298445671] [2023-11-28 20:43:27,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:27,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:43:27,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:27,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:43:27,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:43:27,431 INFO L87 Difference]: Start difference. First operand 170 states and 177 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:28,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:28,606 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2023-11-28 20:43:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:43:28,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 188 [2023-11-28 20:43:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:28,607 INFO L225 Difference]: With dead ends: 170 [2023-11-28 20:43:28,607 INFO L226 Difference]: Without dead ends: 169 [2023-11-28 20:43:28,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:43:28,608 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 27 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:28,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 199 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-28 20:43:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-28 20:43:28,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2023-11-28 20:43:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 154 states have (on average 1.0129870129870129) internal successors, (156), 156 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2023-11-28 20:43:28,615 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 188 [2023-11-28 20:43:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:28,616 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2023-11-28 20:43:28,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2023-11-28 20:43:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-28 20:43:28,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:28,617 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:28,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2023-11-28 20:43:28,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2023-11-28 20:43:28,818 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:28,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:28,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1101189972, now seen corresponding path program 1 times [2023-11-28 20:43:28,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:28,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098818402] [2023-11-28 20:43:28,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:28,828 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657132882] [2023-11-28 20:43:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:28,829 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-11-28 20:43:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:28,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:43:28,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:43:29,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:30,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:30,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098818402] [2023-11-28 20:43:30,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:30,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657132882] [2023-11-28 20:43:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657132882] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:30,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-28 20:43:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525729725] [2023-11-28 20:43:30,515 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:30,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:43:30,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:43:30,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:43:30,516 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:31,979 INFO L93 Difference]: Finished difference Result 169 states and 176 transitions. [2023-11-28 20:43:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:43:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 192 [2023-11-28 20:43:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:31,980 INFO L225 Difference]: With dead ends: 169 [2023-11-28 20:43:31,980 INFO L226 Difference]: Without dead ends: 168 [2023-11-28 20:43:31,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:43:31,981 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 103 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:31,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 160 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-28 20:43:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-28 20:43:31,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2023-11-28 20:43:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 154 states have (on average 1.0064935064935066) internal successors, (155), 155 states have internal predecessors, (155), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-28 20:43:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 175 transitions. [2023-11-28 20:43:31,992 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 175 transitions. Word has length 192 [2023-11-28 20:43:31,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:31,992 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 175 transitions. [2023-11-28 20:43:31,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2023-11-28 20:43:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-28 20:43:31,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:31,994 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:31,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2023-11-28 20:43:32,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:32,195 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-28 20:43:32,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1128010712, now seen corresponding path program 1 times [2023-11-28 20:43:32,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:43:32,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051723011] [2023-11-28 20:43:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:43:32,205 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:43:32,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405457792] [2023-11-28 20:43:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:32,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:32,206 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:43:32,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2023-11-28 20:43:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:32,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:43:32,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:43:32,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:47,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:43:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051723011] [2023-11-28 20:43:47,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:43:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405457792] [2023-11-28 20:43:47,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405457792] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:47,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:43:47,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-28 20:43:47,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143796242] [2023-11-28 20:43:47,847 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:47,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:43:47,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:43:47,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:43:47,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2023-11-28 20:43:47,849 INFO L87 Difference]: Start difference. First operand 168 states and 175 transitions. Second operand has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:48,406 INFO L93 Difference]: Finished difference Result 168 states and 175 transitions. [2023-11-28 20:43:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:43:48,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 196 [2023-11-28 20:43:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:48,407 INFO L225 Difference]: With dead ends: 168 [2023-11-28 20:43:48,407 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 20:43:48,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=60, Invalid=121, Unknown=1, NotChecked=0, Total=182 [2023-11-28 20:43:48,408 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 121 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:48,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 223 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:43:48,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 20:43:48,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 20:43:48,408 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) [2023-11-28 20:43:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 20:43:48,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2023-11-28 20:43:48,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:48,409 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:43:48,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.833333333333332) internal successors, (149), 7 states have internal predecessors, (149), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-28 20:43:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:43:48,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 20:43:48,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 140 remaining) [2023-11-28 20:43:48,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 140 remaining) [2023-11-28 20:43:48,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 140 remaining) [2023-11-28 20:43:48,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 140 remaining) [2023-11-28 20:43:48,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 140 remaining) [2023-11-28 20:43:48,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 140 remaining) [2023-11-28 20:43:48,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 140 remaining) [2023-11-28 20:43:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 140 remaining) [2023-11-28 20:43:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 140 remaining) [2023-11-28 20:43:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 140 remaining) [2023-11-28 20:43:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 140 remaining) [2023-11-28 20:43:48,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 140 remaining) [2023-11-28 20:43:48,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 140 remaining) [2023-11-28 20:43:48,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 140 remaining) [2023-11-28 20:43:48,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 140 remaining) [2023-11-28 20:43:48,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 140 remaining) [2023-11-28 20:43:48,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2023-11-28 20:43:48,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2023-11-28 20:43:48,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L51-18(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L51-19(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L35-4(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L51-20(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,911 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L51-21(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L35-6(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L51-22(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L35-7(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L895 garLoopResultBuilder]: At program point L51-23(line 51) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|))) [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L35-8(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L899 garLoopResultBuilder]: For program point L51-24(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,912 INFO L895 garLoopResultBuilder]: At program point L35-9(line 35) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L35-10(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L52-2(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-5(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-6(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-7(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-8(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-9(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-10(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L895 garLoopResultBuilder]: At program point L52-11(line 52) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|))) [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L52-12(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,914 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L895 garLoopResultBuilder]: At program point L36-3(line 36) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53-2(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,915 INFO L899 garLoopResultBuilder]: For program point L53-5(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-6(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-7(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-8(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-9(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-10(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-11(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-12(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-13(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,916 INFO L899 garLoopResultBuilder]: For program point L53-14(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L902 garLoopResultBuilder]: At program point L53-15(line 53) the Hoare annotation is: true [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L53-16(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-7(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-8(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,917 INFO L899 garLoopResultBuilder]: For program point L37-9(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-10(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-11(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-12(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-13(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-14(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L895 garLoopResultBuilder]: At program point L37-15(line 37) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point L37-16(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-7(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point L38-8(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point L38-9(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point L38-10(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L895 garLoopResultBuilder]: At program point L38-11(line 38) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point L38-12(lines 33 46) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,922 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,927 INFO L895 garLoopResultBuilder]: At program point L48-3(line 48) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|))) [2023-11-28 20:43:48,927 INFO L899 garLoopResultBuilder]: For program point L48-4(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point L49-2(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-3(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-4(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-5(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-6(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-7(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-8(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-9(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-10(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L895 garLoopResultBuilder]: At program point L49-11(line 49) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|))) [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L49-12(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,929 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 33 46) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 46) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= ~counter~0 1) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 0) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point L33-6(lines 33 46) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,930 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-5(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-6(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-7(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-8(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-9(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-10(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-11(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-12(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,931 INFO L899 garLoopResultBuilder]: For program point L50-13(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L50-14(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L895 garLoopResultBuilder]: At program point L50-15(line 50) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|))) [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L50-16(line 50) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L895 garLoopResultBuilder]: At program point L34-4(line 34) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767)) [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,932 INFO L899 garLoopResultBuilder]: For program point L34-5(line 34) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-4(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-5(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,933 INFO L899 garLoopResultBuilder]: For program point L51-6(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-7(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-8(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-9(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-10(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-11(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-12(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-13(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-14(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-15(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-16(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-28 20:43:48,934 INFO L899 garLoopResultBuilder]: For program point L51-17(line 51) no Hoare annotation was computed. [2023-11-28 20:43:48,935 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2023-11-28 20:43:48,935 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2023-11-28 20:43:48,935 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-28 20:43:48,935 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-28 20:43:48,937 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:48,940 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:43:48,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:43:48 BoogieIcfgContainer [2023-11-28 20:43:48,950 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:43:48,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:43:48,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:43:48,951 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:43:48,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:42:00" (3/4) ... [2023-11-28 20:43:48,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 20:43:48,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-28 20:43:48,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-28 20:43:48,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-28 20:43:48,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-28 20:43:48,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:43:49,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 20:43:49,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 20:43:49,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:43:49,087 INFO L158 Benchmark]: Toolchain (without parser) took 109959.84ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 98.1MB in the beginning and 129.8MB in the end (delta: -31.7MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,087 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:43:49,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.29ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 86.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.73ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 83.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,088 INFO L158 Benchmark]: Boogie Preprocessor took 46.82ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,089 INFO L158 Benchmark]: RCFGBuilder took 843.36ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 81.8MB in the beginning and 126.5MB in the end (delta: -44.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,089 INFO L158 Benchmark]: TraceAbstraction took 108661.39ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 43.0MB in the end (delta: 82.3MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,089 INFO L158 Benchmark]: Witness Printer took 136.50ms. Allocated memory is still 163.6MB. Free memory was 43.0MB in the beginning and 129.8MB in the end (delta: -86.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:43:49,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.29ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 86.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.73ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 83.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.82ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 843.36ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 81.8MB in the beginning and 126.5MB in the end (delta: -44.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 108661.39ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 43.0MB in the end (delta: 82.3MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * Witness Printer took 136.50ms. Allocated memory is still 163.6MB. Free memory was 43.0MB in the beginning and 129.8MB in the end (delta: -86.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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 2 procedures, 301 locations, 140 error locations. Started 1 CEGAR loops. OverallTime: 108.6s, OverallIterations: 47, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9235 SdHoareTripleChecker+Valid, 43.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9027 mSDsluCounter, 15325 SdHoareTripleChecker+Invalid, 41.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7514 mSDsCounter, 451 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14435 IncrementalHoareTripleChecker+Invalid, 14886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 451 mSolverCounterUnsat, 7811 mSDtfsCounter, 14435 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5603 GetRequests, 5375 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 22.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=447occurred in iteration=14, InterpolantAutomatonStates: 231, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 47 MinimizatonAttempts, 980 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 53 PreInvPairs, 71 NumberOfFragments, 397 HoareAnnotationTreeSize, 53 FomulaSimplifications, 1065 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 46.1s InterpolantComputationTime, 4575 NumberOfCodeBlocks, 4575 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 4966 ConstructedInterpolants, 27 QuantifiedInterpolants, 28515 SizeOfPredicates, 31 NumberOfNonLiveVariables, 7477 ConjunctsInSsa, 241 ConjunctsInUnsatCore, 51 InterpolantComputations, 27 PerfectInterpolantSequences, 3359/3456 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 140 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((7 == y) && (z == 12)) && (x == 1)) && (n == 1)) && (0 <= a)) && (counter == 1)) && (a <= 32767)) || (((((((y == 1) && (counter == 0)) && (0 <= (a + 32768))) && (n == 0)) && (x == 0)) && (6 == z)) && (a <= 32767))) RESULT: Ultimate proved your program to be correct! [2023-11-28 20:43:49,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72bfc783-fda9-4b37-86c3-7f4b2946dc6a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE